If you’ve ever stayed in a hotel you will see that most hotels use white linens, because it shows cleanliness to a guest and cannot fade. Some guests believe that if you have different coloured lines you are trying to hide stains and filth. Brown linens can also be seen as dirty by guests. Coloured lines fade easily thanks to the daily washing they can receive from the housekeeping department. White lines also show stains which helps housekeepers identify linens that need special stain removal.
Also, Hotel found that customers perceived them to be more luxurious and guests claimed to have slept better in the all-white bed than they ever had before.

White Linens signify:

Cleanliness
Practicality
Elegance